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Set TCP_NODELAY on server side #102

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Merged
moratom merged 1 commit into from
Dec 15, 2025
Merged

Set TCP_NODELAY on server side #102

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9 changes: 9 additions & 0 deletions src/pc/protocols/tcpip_host.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1048,6 +1048,15 @@ int tcpipPlatformServer(const char *devPathRead, const char *devPathWrite, void
return X_LINK_PLATFORM_ERROR;
}

// Disable Nagle to reduce latency on the accepted connection
int on = 1;
if(tcpip_setsockopt(connfd, IPPROTO_TCP, TCP_NODELAY, &on, sizeof(on)) < 0)
{
perror("setsockopt TCP_NODELAY (server)");
tcpip_close_socket(connfd);
return X_LINK_PLATFORM_ERROR;
}

// Store the socket and create a "unique" key instead
// (as file descriptors are reused and can cause a clash with lookups between scheduler and link)
*fd = createPlatformDeviceFdKey((void*) (uintptr_t) connfd);
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